>> i think obama understands it. i think obama understands that we're in a new age. if you will, the 20th century was a century of struggle for hegemony. and that involved direct political contests, military power. we are now in an age in which struggle for hegemony makes no sense, it's more whether we can establish enough stability in the world that we can deal with global problems. in that context, economic health is the point of departure. it's also the point of departure for global support for the united states and respect for the united states. >> brown: when he brings up climate change though through security, that's what he's talking about? >> exactly. but i do suspect as a practical matter he's going to be more preoccupied with potential strategic challenges. in the middle east, first of all and that involves a whole gambit of issues, in our relations with china, potentialfully our relations with russia and the growing problem of how do we structure an effective alliance with europe. and these the kind of issues that require a lot of patience and intelligence